Estradiol (called α – estradiol or 17α – estradiol) for human breast cancer cells in tissue culture biologically active estrogen. Not part of the 17- and selective estrogen receptor (ER-X) traditional hormone / receptor of the endocrine system, but an important autocrine / paracrine function of the system is part of the growth in the adult brain. In menopause, and …

Estradiol being a sex hormone. With alpha, beta, two types of alpha physiological function is strong. Steiner, winter was extracted from the horse urine pregnancy, moreover also can cause from the urine, placenta, pig ovary, etc. There is also a male horse testis or urine. Because it has the very strong sex role, so that it or its ester is, …